import logging
import os
from flask import Blueprint, request, jsonify
logger = logging.getLogger('picell')
bp = Blueprint('cells', __name__)

@bp.route('/api/cells/invite', methods=['GET'])
def get_cell_invite():
    try:
        from app import cell_link_manager, config_manager
        identity = config_manager.configs.get('_identity', {})
        cell_name = identity.get('cell_name', os.environ.get('CELL_NAME', 'mycell'))
        domain = identity.get('domain', os.environ.get('CELL_DOMAIN', 'cell'))
        return jsonify(cell_link_manager.generate_invite(cell_name, domain))
    except Exception as e:
        logger.error(f"Error generating cell invite: {e}")
        return jsonify({'error': str(e)}), 500

@bp.route('/api/cells', methods=['GET'])
def list_cell_connections():
    try:
        from app import cell_link_manager
        return jsonify(cell_link_manager.list_connections())
    except Exception as e:
        return jsonify({'error': str(e)}), 500

@bp.route('/api/cells', methods=['POST'])
def add_cell_connection():
    try:
        from app import cell_link_manager
        data = request.get_json(silent=True)
        if not data:
            return jsonify({'error': 'No data provided'}), 400
        for field in ('cell_name', 'public_key', 'vpn_subnet', 'dns_ip', 'domain'):
            if field not in data:
                return jsonify({'error': f'Missing field: {field}'}), 400
        link = cell_link_manager.add_connection(data)
        return jsonify({'message': f"Connected to cell '{data['cell_name']}'", 'link': link}), 201
    except ValueError as e:
        return jsonify({'error': str(e)}), 400
    except Exception as e:
        logger.error(f"Error adding cell connection: {e}")
        return jsonify({'error': str(e)}), 500

@bp.route('/api/cells/<cell_name>', methods=['DELETE'])
def remove_cell_connection(cell_name):
    try:
        from app import cell_link_manager
        cell_link_manager.remove_connection(cell_name)
        return jsonify({'message': f"Cell '{cell_name}' disconnected"})
    except ValueError as e:
        return jsonify({'error': str(e)}), 404
    except Exception as e:
        logger.error(f"Error removing cell connection: {e}")
        return jsonify({'error': str(e)}), 500

@bp.route('/api/cells/<cell_name>/status', methods=['GET'])
def get_cell_connection_status(cell_name):
    try:
        from app import cell_link_manager
        return jsonify(cell_link_manager.get_connection_status(cell_name))
    except ValueError as e:
        return jsonify({'error': str(e)}), 404
    except Exception as e:
        return jsonify({'error': str(e)}), 500